Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/qa/btrfs/create_async_snap.c b/qa/btrfs/create_async_snap.c
new file mode 100644
index 000000000..2ef22af7b
--- /dev/null
+++ b/qa/btrfs/create_async_snap.c
@@ -0,0 +1,34 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <string.h>
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include "../../src/os/btrfs_ioctl.h"
+
+struct btrfs_ioctl_vol_args_v2 va;
+
+int main(int argc, char **argv)
+{
+	int fd;
+	int r;
+
+	if (argc != 3) {
+		printf("usage: %s <source subvol> <name>\n", argv[0]);
+		return 1;
+	}
+	printf("creating snap ./%s from %s\n", argv[2], argv[1]);
+	fd = open(".", O_RDONLY);
+	va.fd = open(argv[1], O_RDONLY);
+	va.flags = BTRFS_SUBVOL_CREATE_ASYNC;
+	strcpy(va.name, argv[2]);
+	r = ioctl(fd, BTRFS_IOC_SNAP_CREATE_V2, (unsigned long long)&va);
+	printf("result %d\n", r ? -errno:0);
+	return r;
+}